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Joined: Apr 1999
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If one is asked to remove mill-scale from steel plate by blasting with G40 metallic grit to a achieve a depth of blast of 0.001 of an inch, then would this achieve a "near-white metal" finish?

If the depth of blast is increased to 0.002" then to what level of cleanliness would this be equivalent ?

T W

Joined: Mar 2014
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Dear Jack sir,

can do blasting or penning process on oily surface?

if yes ... which blasting or penning media used ?

if no ... why we can not blasting ?

wait for your reply

thanks
amit89

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NO. Absolutely not. First, it would contaminate the media and it would not flow evenly any more. Second it would allow the media to "skid" across the part and not do its intended work.
Someone needs to attend some classes on blast cleaning and shot peening.

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Thanks Dear Jack Sir,

where class going on ? any literature about more blasting process or penning process?

any book to refer or magazine to refer please suggest name.

give name of source for material to read or see so i can purchase it from market?

any literature or video about this topic " oily surface"?

if yes please sent me link of this topic...

thanks
amit89


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